My assumption is that, although those identities which are weak, antiessential, mobile and easily “open” to new phenomena are particularly popular in postmodern epoch, in Iberian and Slavic cultures strong identities, which are essential, stable and coherent, play an important role in social life. It is caused mainly by such factors as adherence of the cultures to the difficult past (inheritance, tradition and memory), producing of rich repertory of their own language systems and symbolic signs of another type and devotion to values, which maintain the sense of separateness or even uniqueness. I analyze the most important tensions which exist nowadays between those strong and weak cultural identities as a result of integrative and globaliza...